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2018 Herbicide Guide for Iowa Corn and Soybean Production
This publication provides information on product and management updates, the role of preemergence herbicides in glyphosate resistant crops, corn and soybean herbicide effectiveness ratings, herbicide package mixes, and herbicide site of action and injury symptoms.

Updated annually.
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Price
PDF
$0.00
European Corn Borer - Ecology and Management and Association with other Corn Pests
Agriculture in North America has been dramatically influenced by crops and pests carried by humans, either intentionally or accidentally into the region. Corn, or maize, probably originated in Central America. It was a staple crop of many Native Americans and was grown in dozens of shapes and colors.

The European corn borer originated in Eurasia and was accidentally introduced into North America. This insect readily adopted corn as a host and has since caused hundreds of millions of dollars in crop losses. This publication is an update of the 1996 version published by the North Central Region.



Iowa State University, in cooperation with North Central Region, is publishing, NCR 327 European Corn Borer - Ecology and Management and Association with Other Corn Pests. The anticipated publication date will be in Fall 2017.

To prepare for publication and determine pricing, pre-orders are being taken. It is anticipated the price of the 72-80 page, full color publication will be $5-6 each when a minimum quantity of 100 (or more) is ordered. This amount does not include shipping and handling charges.

If you, or your organization, is interested in purchasing the publication, please indicate your interest with the following pre-order online form.
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Corn Diseases
This fully revised booklet helps corn producers and other professionals in the agriculture industry identify and scout for corn diseases and provides general recommendations for management. Also included are illustrated disease cycles for primary diseases, a foliar disease estimation chart, and corn growth and development and staging information.

Looking to purchase multiple copies? Corn Diseases is also sold in boxed quantities of 50 at a reduced price ($3.50/copy).

CSI 0005 CSI5
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Price
Publication
$5.00
PDF
$2.50
Corn Growth and Development - Key Growth Stages
Key Growth Stages - Intended to be used as a quick reference for key times in corn growth and development. It is a supplement to the larger Corn Growth and Development publication.

The secured PDF can be downloaded and viewed on your computer or mobile device, but not printed or edited.

For high quality, large quantity (50+ copies) printed copies of this title, please contact: anrcomm@iastate.edu
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Price
PDF (Secured)
$2.00
Corn Diseases (Unit=50)
This fully revised booklet helps corn producers and other professionals in the agriculture industry identify and scout for corn diseases and provides general recommendations for management. Also included are illustrated disease cycles for primary diseases, a foliar disease estimation chart, and corn growth and development and staging information.

Sold as a box of 50 copies ($3.50/copy)

A digital version of the guide is available; see single copy listing below.

CSI 0005 CSI5
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Price
Publication
$175.00
Crop Advantage | 2017 Series Proceedings
These proceedings feature summaries from workshops presented as part of the 2017 statewide Crop Advantage Series. Authors provide key points of their presentation, references for print and Internet materials, and illustrations to explain crop production and protection.

The publication also includes a list of Extension field agronomists and other resources offered to growers by Iowa State University Extension and Outreach.
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Price
PDF
$0.00
Bacterial Leaf Streak
This publication examines the symptoms of bacterial leaf streak in corn, describes how bacterial leaf streak differs from several other diseases that may look like it, and provides other information regarding this disease. This publication was created by the Crop Protection Network, which includes authors from land-grant universities across the North Central Region and Ontario.  CSI

Available from the Crop Protection Network.
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Iowa Crop Performance Tests -- Corn 2016
The Iowa Crop Performance Tests for corn is conducted each year to help farmers select the best hybrids for their production conditions. All 6 Corn Districts are now conveniently combined into one publication.
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PDF
$0.00
Corn Disease Loss Estimates For the United States and Ontario, Canada - 2013
Created by the Crop Protection Network, which includes authors from land-grant universities across the North Central Region and Ontario, this publication documents the impact of major diseases on corn production during the 2013 growing season. This is the second year that plant pathologists around the North Central region have coordinated their efforts to document disease-related losses in corn yields across the region - future publications will document the years to come.  CSI

Available from the Crop Protection Network.
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Corn Growth and Development - Corn Staging
Corn Staging - Intended to be used as a quick reference handout for corn staging. It is a supplement to the larger Corn Growth and Development publication.

The secured PDF can be downloaded and viewed on your computer or mobile device, but not printed or edited.

For high quality, large quantity (50+ copies) printed copies of this title, please contact: anrcomm@iastate.edu
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Price
PDF (secured)
$2.00
Hail on Corn in Iowa
This publication shows how to obtain an estimate of the potential yield loss from hail injury to corn. It describes the methods used to quantify injury and stand loss, as well as corn growth stages, which are an important part of the yield loss estimation process. Information on fungicide use on hail-injured crops, replanting severely injured stands, and weed management after hail are also included. CSI

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PDF
$0.00
Ear Rots
This publication describes common corn ear rots in the United States and Canada, discusses mycotoxins associated with these ear rots, and briefly addresses management of ear rots and affected grain. The publication was developed by the Crop Protection Network, which includes authors from land-grant universities across the North Central Region and Ontario.  CSI

Available from the Crop Protection Network.
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Mycotoxin FAQs
This publication answers frequently asked questions (FAQs) about the mycotoxins produced by corn ear rot fungi. The publication was developed by the Crop Protection Network, which includes authors from land-grant universities across the North Central Region and Ontario. CSI

Available from the Crop Protection Network.
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Corn Disease Management - Grain Sampling and Mycotoxin Testing
This publication recommends grain sampling and testing methods for detecting mycotoxins. This publication was created by the Crop Protection Network, which includes authors from Land Grant universities across the North Central Region and Ontario. CSI

Available from the Crop Protection Network.
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Corn Disease Management - Storing Mycotoxin-Affected Grain
This publication outlines how to manage stored grain affected by mycotoxins. This publication was created by the Crop Protection Network, which includes authors from Land Grant universities across the North Central Region and Ontario. CSI

Available from the Crop Protection Network.
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Corn Disease Management - Using Atoxigenics to Manage Aflatoxin
Aspergillus ear rot is one of the most economically important corn ear rots in the southern United States. The fungus produces aflatoxin, which is a dangerous mycotoxin. Most governments regulate aflatoxin in food and feed, because it is harmful to humans and livestock. One approach to managing aflatoxin involves using atoxigenics as a biocontrol strategy. This publication describes how atoxigenics work and provides recommendations on when to use them. This publication was created by the Crop Protection Network, which includes authors from Land Grant universities across the North Central Region and Ontario. CSI

Available from the Crop Protection Network.
[more]
Corn Disease Loss Estimates For the United States and Ontario, Canada - 2015
Created by the Crop Protection Network, which includes authors from land-grant universities across the North Central Region and Ontario, this publication documents the impact of major diseases on corn production during the 2015 growing season.

This is the fourth year that plant pathologists around the North Central region have coordinated their efforts to document disease-related losses in corn yields across the region - future publications will document the years to come.  CSI

Available from the Crop Protection Network.
[more]
A Farmer's Guide to Corn Diseases
A Farmer’s Guide to Corn Diseases provides an overview of the corn diseases that currently occur in the United states and Canada, with an emphasis on diagnosing diseases in the field. Information for each disease includes symptoms and signs, conditions that favor disease, similar looking diseases and disorders, and a review of basic management options. The book also contains a diagnostic key and disease distribution maps.

Published by APS Press, A Farmer’s Guide to Corn Diseases was developed by Iowa State University in partnership with several other universities. CSI

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Price
Publication
$29.95
Crop Production Clipboard
Crop production clipboards provide a handy way to keep key reference information with you in the office helping customers or scouting in corn and soybean fields. Calibration and conversions supplement plant population charts and growth stages of corn and soybeans.
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Price
Miscellaneous Item
$10.00
Out of Stock
Corn Disease Loss Estimates For the United States and Ontario, Canada - 2014
Created by the Crop Protection Network, which includes authors from land-grant universities across the North Central Region and Ontario, this publication documents the impact of major diseases on corn production during the 2014 growing season. This is the third year that plant pathologists around the North Central region have coordinated their efforts to document disease-related losses in corn yields across the region - future publications will document the years to come.  CSI

Available from the Crop Protection Network.
[more]
Weed Identification Field Guide 2nd Edition
The Weed Identification Field Guide, 2nd Edition, is a revised and expanded pocket-sized guide (3-3/4" x 6") for farmers and agronomists to use for weed identification in Iowa corn and soybean fields. The 2nd edition includes four new weed species, many new images, and updated text.

The 108 page booklet includes tools to aid in accurate weed identification as well as weed lifecycle and herbicide management and stewardship information. It includes over 35 illustrations and more than 250 high-quality photographs of weeds found in Iowa.

Previously known as CSI 0003

Looking to purchase multiple copies? The Weed Identification Field Guide 2nd Edition is sold in boxed quantities of 44 at a reduced price (less than $8/copy!).
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Format
Price
Publication
$10.00
PDF
$5.00
Weed Identification Field Guide 2nd Edition (Unit=44)
The Weed Identification Field Guide, 2nd Edition, is a revised and expanded pocket-sized guide (3-3/4" x 6") for farmers and agronomists to use for weed identification in Iowa corn and soybean fields. The 2nd edition includes four new weed species, many new images, and updated text.

The 108 page booklet includes tools to aid in accurate weed identification as well as weed lifecycle and herbicide management and stewardship information. It includes over 35 illustrations and more than 250 high-quality photographs of weeds found in Iowa.

Previously known as CSI 0003

Sold as a box of 44 copies (less than $8/copy!)

A digital version of the guide is available; see single copy listing below.
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Format
Price
Publication
$350.00
On-Farm Study Researches Novozymes Fermentation Spent Residuals
The Novozymes enzyme-manufacturing facility in Blair, Nebraska, produces enzymes through aerobic fermentation of non-pathogenic and non-toxigenic microorganisms. The process generates a solid byproduct consisting of lime-stabilized spent microbial biomass.

This publication discusses the research to evaluate the potential agricultural use of the byproduct.
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PDF
$0.00
Scouting for twospotted spider mites in corn and soybean
 The Scouting for twospotted spider mites in corn and soybean card is a 6-page, tri-fold pocket-sized guide (3¾" x 6") containing scouting information, a description, and images of injury to corn and soybean caused by twospotted spider mites.
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Publication
$0.25
ISU FARM Research Report 2012
Progress report on 2012 on-farm research trials conducted through Iowa State University's Farmer Assisted Research and Management (F.A.R.M.) program.
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PDF
$0.00
Corn & Soybean Management: Insects and Diseases Series CD
This CD contains full versions of selected Crop Adviser Institute (CAI) learning modules in the Pest Management and Crop Management areas. You will have full access to all materials except the final CEU exam.

Exam access may be obtained from the CAI website.

Additional courses are available from CAI, and new courses are continually being developed.

Visit the Crop Adviser Institute at www.cai.iastate.edu
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Price
CD/DVD
$5.00
Corn Suitability Ratings -- An Index to Soil Productivity
Corn Suitability Rating (CSR) is an index procedure developed in Iowa to rate each different kind of soil for its potential row-crop productivity. The CSR can be used to rate one soil’s potential yield production against another over a period of time.
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PDF
$0.00
Frost Damage to Corn and Soybeans
Learn about the characteristics, uses and handling and storage of frost-damaged corn and soybeans.
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PDF
$0.00
Aflatoxins in Corn
Aflatoxins are a group of chemicals produced by certain mold fungi. Publication includes information on how to test corn for toxins, current regulations, consequences of high toxin levels, preventive measures, and what to do with contaminated corn.
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PDF
$0.00
Scouting for Goss's wilt of corn
The Scouting for Goss's wilt of corn card is a 6-page, tri-fold pocket-sized guide (3¾" x 6") that outlines the symptoms, scouting, management, and disease cycle of Goss's wilt in corn.
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Format
Price
Publication
$0.25
Early Season Corn Scouting
The Early season corn scouting card is a record keeping tool that outlines diseases, insects, and disorders that occur to seed, seedlings, and young corn plants from shortly after planting through the V5 stage of vegetative growth
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Publication
$0.25
Mid-season Corn Scouting
The Mid-season corn scouting card is a record keeping tool that outlines diseases, insects, and disorders that occur to corn plants during the later vegetative through R1 (silking) growth stages.
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Publication
$0.25
Late Season Corn Scouting
The Late season corn scouting card is a record keeping tool that outlines diseases, insects, and disorders that occur to corn plants from R2 (blister) through R6 (physiological maturity) growth stages.
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Format
Price
Publication
$0.25
Nematodes That Attack Corn in Iowa
Learn about how to sample for nematodes and control them.
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PDF
$0.00
Sensing Nitrogen Stress in Corn
Water quality concerns and high N fertilizer prices have made more precise nitrogen management strategies important to improve efficiency and profitability. Get the details here.
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Publication
$1.50
PDF
$0.00
Initiation of vegetative and reproductive structures (chart)
Periods of initiation and growth for individual above-ground plant structures from planting to R6.

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Close-up of a collared leaf with "line" on the back side
Collared leaves typically have a "line" on the back side that is distinguishable

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Close-up of collared leaves at leaf opening
Collared leaves have slightly pale tissue at the point where the leaf opens away from the stalk

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$16.00
Lower stalk split and nodes distinguishable
Corn plant split lengthwise through the root system with nodes 1 through 8 visible

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Rate of vegetative development from emergence to final leaf (graphic)
Prediction of vegetative development based on growing degree day accumulation

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Rate of reproductive development from R1 to R6 (graphic)
Prediction of reproductive development based on growing degree day accumulation

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Impact of seeding depth on plant's root formation
Seminal and nodal root development of V2 plants at seeding depths ranging from 0.5 to 2.5 inches deep

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Lower stalk split with roots and nodes distinguishable
Plant dissected lengthwise through the nodal root system with roots originating from specific stalk nodes

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Close-up of lower stalk and brace roots
Brace root development at stalk nodes 6, 7, and 8

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Mature kernel with different components distinguishable
Whole and cross-sectioned kernels with pericarp, embryo, and endosperm.

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Germinating seed
Four seeds showing the process of germination and changes in the radicle and coleoptile in timeline progression

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Emerged (VE) plant
Plant at emergence with radicle, seminal roots, mesocotyl, and coleoptile.

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Plant development from planting to V2
Seed and plant growth from planting to V2 in timeline progression.

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V1 plant
Plant with one leaf collared; roots also shown.

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V2 plant
Plant with two leaves collared; roots also shown.

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V3 plant
Plant with three leaves collared; roots also shown.

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Dissected V3 plant
Plant completely dissected showing all visible leaves, stalk, and root system.

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V6 plant
Plant with six leaves collared; roots also shown.

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$48.00
Dissected V6 plant
Plant completely dissected showing all visible leaves, stalk, ear shoots, and root system.

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$16.80
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$48.00
Tassel from a V7 plant
The tassel and upper portion of the stalk from a V7 plant

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V9 plant
Plant with nine leaves collared; roots also shown

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$48.00
Dissected V9 plant
Plant completely dissected showing all visible leaves, stalk, ear shoots, and root system

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Image(72dpi)
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$48.00
Tassel from a V9 plant
The tassel and upper portion of the stalk from a V9 plant

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Ear shoots from a V9 plant
Ear shoots from stalk nodes 6 to 13 arranged in progression

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V12 plant
Plant with twelve leaves collared; roots also shown

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Dissected V12 plant
Plant completely dissected showing all visible leaves, stalk, ear shoots, and root system

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Image(72dpi)
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$48.00
Tassel from a V12 plant
The tassel and upper portion of the stalk from a V12 plant

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Ear shoots from a V12 plant
Ear shoots from stalk nodes 7 to 14 arranged in progression

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V15 plant
Plant with fifteen leaves collared; roots also shown

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Dissected V15 plant
Plant completely dissected showing all visible leaves, stalk, ear shoots, and root system

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Tassel from a V15 plant
The tassel and upper portion of the stalk from a V15 plant

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Ear shoots from a V15 plant
Ear shoots from stalk nodes 6 to 13 arranged in progression

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Ears from a V15 plant
Three uppermost ears from stalk nodes 11, 12, and 13

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V18 plant
Plant with eighteen leaves collared; roots also shown

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Dissected V18 plant
Plant completely dissected showing all visible leaves, stalk, ear shoots, and root system

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Tassel from a V18 plant
The tassel and uppermost stalk node from a V18 plant

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Ear shoots from a V18 plant
Ear shoots from stalk nodes 8 to 13 arranged in progression

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Ears with silks from a V18 plant
Three uppermost ears from stalk nodes 11, 12, and 13

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Ears without silks from a V18 plant
Three uppermost ears from stalk nodes 11, 12, and 13; silks have been removed

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Tassel from a VT plant
The tassel and uppermost stalk node from a VT plant

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Tassel development timeline from V7 to VT
Tassels from V7 to VT plants arranged in timeline progression showing the change in appearance that occurs

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Tassel at VT before pollen shed has begun
Close-up of tassel prior to pollen shed; tassel is angled

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Tassel at VT after pollen shed has begun
Close-up of tassel during pollen shed with anthers exserted; tassel is angled

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Close-up of the tassel main stem
Close-up of the main stem during pollen shed with the anthers exserted

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Whole-season plant development timeline
Plants spanning V2 to R6 arranged in timeline progression showing the change in appearance that occurs

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Image(72dpi)
$16.80
Image(300dpi)
$48.00
Whole kernel development timeline
Whole kernels from R1 to R6 arranged in timeline progression showing the change in appearance that occurs

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Image(72dpi)
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Timeline of longitudinal cross-section of kernels
Cross-section of kernels from R1 to R6 arranged in a timeline showing the change in appearance that occurs

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Image(72dpi)
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$48.00
Timeline of planar cross-section of kernels
Cross-section of kernels from R1 to R6 arranged in a timeline showing the change in appearance that occurs

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Timeline of ear cross-section
Ears split in half to show cob and kernel development from R1 to R6; arranged in timeline progression

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Image(72dpi)
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$48.00
Ear with and without husk leaves from an R1 plant
Primary ear shown twice: first, with husk leaves and silks and second, without

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$11.20
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$32.00
R1 plant
Plant with uppermost ear silking and all leaves collared; roots also shown

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Dissected R1 plant
Plant completely dissected showing all visible leaves, stalk, ear shoots, and root system

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Image(72dpi)
$16.80
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$48.00
Kernels from an R1 plant
Three kernel views including whole and cross-sections

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Image(72dpi)
$11.20
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$32.00
Ear shoots from an R1 plant
Three uppermost ear shoots from an R1 plant; shows difference in size between the primary ear shoot and lower shoots

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Image(72dpi)
$5.60
Image(300dpi)
$16.00
Ears with silks from an R1 plant
Three uppermost ears with silks

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Image(72dpi)
$11.20
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$32.00
Ears without silks from an R1 plant
Three uppermost ears with silks removed

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Image(72dpi)
$11.20
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$32.00
Kernels from an R2 plant
Three kernel views including whole and cross-sections

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Image(72dpi)
$11.20
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$32.00
Ear cross-section from an R2 plant
Ear cross-section with glumes visible around each kernel

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Image(72dpi)
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$16.00
Ear with and without husk leaves from an R2 plant
Primary ear shown twice: first, with husk leaves and silks and second, without

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Image(72dpi)
$11.20
Image(300dpi)
$32.00
Ear shoots from an R2 plant
Three uppermost ear shoots arranged to show the difference in size between the primary ear shoot and lower shoots

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Image(72dpi)
$5.60
Image(300dpi)
$16.00
Ears with silks from an R2 plant
Three uppermost ears with silks; primary ear larger than lower ears

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$11.20
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$32.00
Ears without silks from an R2 plant
Three uppermost ears with silks removed; primary ear is larger than lower ears

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Image(72dpi)
$11.20
Image(300dpi)
$32.00
Kernels from an R3 plant
Three kernel views including whole and cross-sections

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Image(72dpi)
$11.20
Image(300dpi)
$32.00
Ear with and without husk leaves from an R3 plant
Primary ear shown twice: first, with husk leaves and silks and second, without

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Image(72dpi)
$11.20
Image(300dpi)
$32.00
Ear shoots from an R3 plant
Three uppermost ear shoots arranged to show the difference in size between the primary ear shoot and lower shoots

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Image(72dpi)
$5.60
Image(300dpi)
$16.00
Ears with silks from an R3 plant
Three uppermost ears with silks; primary ear larger than lower ears

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$11.20
Image(300dpi)
$32.00
Ears without silks from an R3 plant
Three uppermost ears with silks removed; primary ear is larger than lower ears

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$11.20
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$32.00
Kernels from an R4 plant
Four kernel views including whole and cross-sections

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Image(72dpi)
$11.20
Image(300dpi)
$32.00
Ear with and without husk leaves from an R4 plant
Primary ear shown twice: first, with husk leaves and silks and second, without

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Image(72dpi)
$11.20
Image(300dpi)
$32.00
Ear shoots from an R4 plant
Three uppermost ear shoots arranged to show the difference in size between the primary ear shoot and lower shoots

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Image(72dpi)
$5.60
Image(300dpi)
$16.00
Ears with silks from an R4 plant
Three uppermost ears with silks; primary ear larger than lower ears

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Image(72dpi)
$11.20
Image(300dpi)
$32.00
Ears without silks from an R4 plant
Three uppermost ears with silks removed; primary ear is larger than lower ears

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$11.20
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$32.00
Kernels from an R5 plant
Four kernel views including whole and cross-sections

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Image(72dpi)
$11.20
Image(300dpi)
$32.00
Ear with and without husk leaves from an R5 plant
Primary ear shown twice: first, with husk leaves and silks and second, without

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Format
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Image(72dpi)
$11.20
Image(300dpi)
$32.00
Ear shoots from an R5 plant
Three uppermost ear shoots arranged to show the difference in size between the primary ear shoot and lower shoots

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Image(72dpi)
$5.60
Image(300dpi)
$16.00
Ears with silks from an R5 plant
Three uppermost ears with silks; primary ear larger than lower ears

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Image(72dpi)
$11.20
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$32.00
Ears without silks from an R5 plant
Three uppermost ears with silks removed; primary ear is larger than lower ears

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$11.20
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$32.00
Kernels from an R6 plant
Four kernel views including whole and cross-sections

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$11.20
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R6 plant
Plant with uppermost ear mature and leaves browning; roots also shown

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Image(72dpi)
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$48.00
Ear with and without husk leaves from an R6 plant
Primary ear shown twice: first, with husk leaves and silks and second, without

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Format
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Image(72dpi)
$11.20
Image(300dpi)
$32.00
Ear shoots from an R6 plant
Three uppermost ear shoots arranged to show the difference in size between the primary ear shoot and lower shoots

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Image(72dpi)
$5.60
Image(300dpi)
$16.00
Ears with silks from an R6 plant
Three uppermost ears with silks; primary ear larger than lower ears

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Image(72dpi)
$11.20
Image(300dpi)
$32.00
Ears without silks from an R6 plant
Three uppermost ears with silks removed; primary ear is larger than lower ears

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$11.20
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$32.00
Dry matter of individual components (graphic)
Dry matter of five above-ground components shown from VE to R6

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$16.80
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$48.00
Cumulative dry matter (graphic)
Total dry matter for the whole plant shown from VE to R6

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Nitrogen content of individual components (graphic)
Nitrogen accumulation of five above-ground components shown from VE to R6

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$48.00
Cumulative nitrogen (graphic)
Total nitrogen accumulation for the whole plant shown from VE to R6

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$48.00
Phosphorus content of individual components (graphic)
Phosphorus accumulation of five above-ground components shown from VE to R6

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Cumulative phosphorus (graphic)
Total phosphorus accumulation for the whole plant shown from VE to R6

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Potassium content of individual components (graphic)
Potassium accumulation of five above-ground components shown from VE to R6

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Cumulative potassium (graphic)
Total potassium accumulation for the whole plant shown from VE to R6

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Emerged seedling in a field setting
Plant emerged through the soil in an Iowa corn field

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$48.00